One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,6)(3,5,8,7)(10,11)(12,16)(17,18,20,22)(19,23,24,21)(25,26)(27,31)(28,30)(29,32)(1,2)(3,5)(4,6)(7,8)(10,11)(14,15)(17,19)(18,21)(20,24)(22,23)(25,27)(26,28)(29,30)(31,32) involution — undirected(9,10,13,11)(12,14,16,15)(17,18)(19,21)(20,22)(23,24)(25,28)(26,30)(27,32)(29,31)(1,2)(3,7)(4,6)(5,8)(9,11,13,10)(12,15,16,14)(17,18)(19,23)(20,22)(21,24)(25,28)(26,27)(29,31)(30,32)(1,3)(2,5)(4,8)(6,7)(9,12)(10,14)(11,15)(13,16)(17,19)(18,21)(20,24)(22,23)(25,27)(26,31)(28,32)(29,30) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.